Answer:
C
Explanation:
D in my opinion wouldn't be correct because a vaccine is for if you come in contact with the sickness you are more protected and helps build immunity. So healthy people get them to try and build immunity against said vaccine. Like if you have the flu, your body is fighting. In the Flu vaccine parts of the flu are in the vaccine to help your body learn to become immune. So option C.
Sorry if this is confusing, hope it helps!
The final coding sequence, GGGC, is the same as the original in all sequences shown. The initial coding sequence differs from ATTTGC in sequences
1 and 5
_____
Changes in the red non-coding sequences are also seen in sequences 1, 2, and 4. While these changes may not lead to a faulty protein, they may alter the way it is expressed or the effect it has. (Your question does not seem to be concerned with these changes.)
The answer is A The amino acid inactivates the repressor
The answer is C are limited to life in a single year